योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-100, verse-12

संवित्सत्यास्त्वसत्या वा निश्चयस्तावदीदृशः ।
आबालमेतत्संसिद्धं केनापह्नूयते कथम् ॥ १२ ॥

saṃvitsatyāstvasatyā vā niścayastāvadīdṛśaḥ ,
ābālametatsaṃsiddhaṃ kenāpahnūyate katham 12

12. saṃvit satyā astu asatyā vā niścayaḥ tāvat īdṛśaḥ
ābālam etat saṃsiddham kena apahnūyate katham

12. saṃvit satyā astu vā asatyā (astu) (iti) tāvat īdṛśaḥ niścayaḥ (asti).
etat ābālam saṃsiddham.
kena katham apahnūyate?

12. Whether consciousness (saṃvit) is real or unreal, this much is certain: its existence is well-established universally, even among children. By whom and how can this be denied?

Words meanings summery:

• संवित् (saṁvit) - the fundamental nature of awareness or consciousness (consciousness, knowledge, understanding, intellect)

• सत्या (satyā) - pertaining to the reality or truth of consciousness (real, true, existent)

• अस्तु (astu) - expressing a hypothesis or concession (let it be, may it be)

• असत्या (asatyā) - pertaining to the unreality or falsehood of consciousness (unreal, untrue, false)

• वा (vā) - connecting alternatives (or, either...or)

• निश्चयः (niścayaḥ) - the definitive understanding or conclusion (certainty, conviction, determination, conclusion)

• तावत् (tāvat) - indicating "this much" or "to this extent" (so much, so far, thus far, at least)

• ईदृशः (īdṛśaḥ) - referring to the preceding statement about consciousness (such, of this kind)

• आबालम् (ābālam) - indicating universal acceptance or experience from a very young age (from a child, up to children, universally (from childhood to old age))

• एतत् (etat) - referring to the fact of consciousness being established (this, this one)

• संसिद्धम् (saṁsiddham) - indicating something that is firmly and widely recognized as true (well-established, proven, perfect, accomplished)

• केन (kena) - agent of denial (by whom)

• अपह्नूयते (apahnūyate) - referring to the act of denying or refuting the established nature of consciousness (is denied, is concealed, is rejected)

• कथम् (katham) - questioning the possibility or method of denial (how, in what manner)

Words meanings and morphology

संवित् (saṁvit) - the fundamental nature of awareness or consciousness (consciousness, knowledge, understanding, intellect)

(noun)

Nominative, feminine, singular of saṃvid

saṁvid - consciousness, knowledge, intellect, understanding, agreement, signal

Prefix: sam

Root: vid (class 2)

सत्या (satyā) - pertaining to the reality or truth of consciousness (real, true, existent)

(adjective)

Nominative, feminine, singular of satya

satya - truth, reality, true, real, virtuous

Note: Agrees with `saṃvit`.

अस्तु (astu) - expressing a hypothesis or concession (let it be, may it be)

(verb)

3rd person , singular, active, optative (loṭ) of as

Root verb 'as' (to be) in optative mood, 3rd person singular.

Root: as (class 2)

Note: Used here to introduce a hypothetical condition.

असत्या (asatyā) - pertaining to the unreality or falsehood of consciousness (unreal, untrue, false)

(adjective)

Nominative, feminine, singular of asatya

asatya - untrue, unreal, false

Derived from 'satya' with negative prefix 'a-'. Feminine form.

Compound type : nañ-tatpuruṣa (a+satya)

• a – not, non-
  indeclinable
  Negative prefix.
• satya – truth, reality, true, real, virtuous
  adjective (neuter)

Note: Agrees with `saṃvit`.

वा (vā) - connecting alternatives (or, either...or)

(indeclinable)

निश्चयः (niścayaḥ) - the definitive understanding or conclusion (certainty, conviction, determination, conclusion)

(noun)

Nominative, masculine, singular of niścaya

niścaya - certainty, conviction, determination, conclusion, resolve

From prefix 'nis' and root 'ci' (to collect, observe).

Prefix: nis

Root: ci (class 5)

तावत् (tāvat) - indicating "this much" or "to this extent" (so much, so far, thus far, at least)

(indeclinable)

ईदृशः (īdṛśaḥ) - referring to the preceding statement about consciousness (such, of this kind)

(adjective)

Nominative, masculine, singular of īdṛśa

īdṛśa - such, of this kind, like this

Note: Agrees with `niścayaḥ`.

आबालम् (ābālam) - indicating universal acceptance or experience from a very young age (from a child, up to children, universally (from childhood to old age))

(indeclinable)

Avyayībhāva compound or adverbial use.

Compound type : avyayībhāva (ā+bāla)

• ā – up to, until, completely, inclusive
  indeclinable
  Preposition/prefix indicating extent.
• bāla – child, young, foolish
  noun (masculine)

Note: Functions adverbially.

एतत् (etat) - referring to the fact of consciousness being established (this, this one)

(pronoun)

Nominative, neuter, singular of etad

etad - this, this one

Note: Refers to the "niścaya" or the "siddham".

संसिद्धम् (saṁsiddham) - indicating something that is firmly and widely recognized as true (well-established, proven, perfect, accomplished)

(adjective)

Nominative, neuter, singular of saṃsiddha

saṁsiddha - accomplished, perfected, well-established, proven, effective

Past Passive Participle

From root 'sidh' (to succeed, attain) with prefix 'sam'.

Prefix: sam

Root: sidh (class 1)

Note: Functions as a predicate adjective.

केन (kena) - agent of denial (by whom)

(pronoun)

Instrumental, masculine, singular of kim

kim - who, what, which

अपह्नूयते (apahnūyate) - referring to the act of denying or refuting the established nature of consciousness (is denied, is concealed, is rejected)

(verb)

3rd person , singular, passive, present (laṭ) of apahnū

From root 'hnū' (to conceal, deny) with prefix 'apa'. Present tense, 3rd person singular, passive voice.

Prefix: apa

Root: hnū (class 2)

कथम् (katham) - questioning the possibility or method of denial (how, in what manner)

(indeclinable)

Note: Interrogative adverb.